org.apache.flink.streaming.api.transformations

类 SourceTransformation<OUT,SplitT extends org.apache.flink.api.connector.source.SourceSplit,EnumChkT>

java.lang.Object

org.apache.flink.api.dag.Transformation<T>

org.apache.flink.streaming.api.transformations.PhysicalTransformation<OUT>

org.apache.flink.streaming.api.transformations.SourceTransformation<OUT,SplitT,EnumChkT>

所有已实现的接口:

WithBoundedness

@Internal
public class SourceTransformation<OUT,SplitT extends org.apache.flink.api.connector.source.SourceSplit,EnumChkT>
extends PhysicalTransformation<OUT>
implements WithBoundedness

A PhysicalTransformation for Source.

字段概要

从类继承的字段 org.apache.flink.api.dag.Transformation

bufferTimeout, description, id, name, outputType, typeUsed, UPPER_BOUND_MAX_PARALLELISM

构造器概要

构造器

构造器和说明
SourceTransformation(String name, org.apache.flink.api.connector.source.Source<OUT,SplitT,EnumChkT> source, org.apache.flink.api.common.eventtime.WatermarkStrategy<OUT> watermarkStrategy, org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outputType, int parallelism) Creates a new Transformation with the given name, output type and parallelism.

方法概要

限定符和类型	方法和说明
org.apache.flink.api.connector.source.Boundedness	getBoundedness() Returns the Boundedness of this Transformation.
ChainingStrategy	getChainingStrategy()
String	getCoordinatorListeningID()
List<org.apache.flink.api.dag.Transformation<?>>	getInputs()
org.apache.flink.api.connector.source.Source<OUT,SplitT,EnumChkT>	getSource()
List<org.apache.flink.api.dag.Transformation<?>>	getTransitivePredecessors()
org.apache.flink.api.common.eventtime.WatermarkStrategy<OUT>	getWatermarkStrategy()
void	setChainingStrategy(ChainingStrategy chainingStrategy) Sets the chaining strategy of this Transformation.
void	setCoordinatorListeningID(String coordinatorListeningID)

从类继承的方法 org.apache.flink.api.dag.Transformation

declareManagedMemoryUseCaseAtOperatorScope, declareManagedMemoryUseCaseAtSlotScope, equals, getBufferTimeout, getCoLocationGroupKey, getDescription, getId, getManagedMemoryOperatorScopeUseCaseWeights, getManagedMemorySlotScopeUseCases, getMaxParallelism, getMinResources, getName, getNewNodeId, getOutputType, getParallelism, getPreferredResources, getSlotSharingGroup, getUid, getUserProvidedNodeHash, hashCode, setBufferTimeout, setCoLocationGroupKey, setDescription, setMaxParallelism, setName, setOutputType, setParallelism, setResources, setSlotSharingGroup, setSlotSharingGroup, setUid, setUidHash, toString, updateManagedMemoryStateBackendUseCase

从类继承的方法 java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

构造器详细资料

SourceTransformation

public SourceTransformation(String name,
                            org.apache.flink.api.connector.source.Source<OUT,SplitT,EnumChkT> source,
                            org.apache.flink.api.common.eventtime.WatermarkStrategy<OUT> watermarkStrategy,
                            org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outputType,
                            int parallelism)

Creates a new Transformation with the given name, output type and parallelism.

参数:

name - The name of the Transformation, this will be shown in Visualizations and the Log

source - The Source itself

watermarkStrategy - The WatermarkStrategy to use

outputType - The output type of this Transformation

parallelism - The parallelism of this Transformation

方法详细资料

getSource

public org.apache.flink.api.connector.source.Source<OUT,SplitT,EnumChkT> getSource()

getWatermarkStrategy

public org.apache.flink.api.common.eventtime.WatermarkStrategy<OUT> getWatermarkStrategy()

getBoundedness

public org.apache.flink.api.connector.source.Boundedness getBoundedness()

从接口复制的说明: WithBoundedness

Returns the Boundedness of this Transformation.

指定者:

getBoundedness 在接口中 WithBoundedness

getTransitivePredecessors

public List<org.apache.flink.api.dag.Transformation<?>> getTransitivePredecessors()

指定者:

getTransitivePredecessors 在类中 org.apache.flink.api.dag.Transformation<OUT>

getInputs

public List<org.apache.flink.api.dag.Transformation<?>> getInputs()

指定者:

getInputs 在类中 org.apache.flink.api.dag.Transformation<OUT>

setChainingStrategy

public void setChainingStrategy(ChainingStrategy chainingStrategy)

从类复制的说明: PhysicalTransformation

Sets the chaining strategy of this Transformation.

指定者:

setChainingStrategy 在类中 PhysicalTransformation<OUT>

getChainingStrategy

public ChainingStrategy getChainingStrategy()

setCoordinatorListeningID

public void setCoordinatorListeningID(@Nullable
                                      String coordinatorListeningID)

getCoordinatorListeningID

@Nullable
public String getCoordinatorListeningID()